fix framebuffer caching bug

buildNumber.properties

@@ -1,3 +1,3 @@
 #maven.buildNumber.plugin properties file
-#Sat Sep 07 08:28:40 EDT 2024
+#Sun Sep 08 21:41:56 EDT 2024
-buildNumber=324
+buildNumber=325

src/main/java/electrosphere/engine/Globals.java

@@ -669,6 +669,12 @@ public class Globals {
         Globals.server = null;
         Globals.serverSynchronizationManager = null;
         Globals.javaPID = null;
+        Globals.RENDER_FLAG_RENDER_SHADOW_MAP = true;
+        Globals.RENDER_FLAG_RENDER_SCREEN_FRAMEBUFFER_CONTENT = false;
+        Globals.RENDER_FLAG_RENDER_SCREEN_FRAMEBUFFER = false;
+        Globals.RENDER_FLAG_RENDER_UI = false;
+        Globals.RENDER_FLAG_RENDER_BLACK_BACKGROUND = false;
+        Globals.RENDER_FLAG_RENDER_WHITE_BACKGROUND = false;
         LoggerInterface.destroyLoggers();
     }
 

src/main/java/electrosphere/engine/Main.java

@@ -156,7 +156,7 @@ public class Main {
             Globals.controlHandler.hintUpdateControlState(ControlsState.TITLE_MENU);
 
             //start initial asset loading
-            Globals.threadManager.start(ThreadLabel.ASSET_LOADING, new Thread(Globals.initialAssetLoadingThread));
+            Globals.threadManager.start(new LoadingThread(LoadingThreadType.INIT_ASSETS));
         }
 
         //Sets a hook that fires when the engine process stops

src/main/java/electrosphere/engine/loadingthreads/ClientLoading.java

@@ -258,7 +258,7 @@ public class ClientLoading {
      */
     static void initDrawCellManager(boolean blockForInit){
         int iterations = 0;
-        while(blockForInit && (Globals.clientWorldData == null || Globals.initialAssetLoadingThread.isLoading())){
+        while(blockForInit && (Globals.clientWorldData == null || InitialAssetLoading.atlasQueuedTexture == null || !InitialAssetLoading.atlasQueuedTexture.hasLoaded())){
             try {
                 TimeUnit.MILLISECONDS.sleep(10);
                 iterations++;
@@ -268,7 +268,7 @@ public class ClientLoading {
             if(iterations > MAX_DRAW_CELL_WAIT){
                 String message = "Draw cell took too long to init!\n" +
                 Globals.clientWorldData + "\n" +
-                Globals.initialAssetLoadingThread.isLoading();
+                InitialAssetLoading.atlasQueuedTexture.hasLoaded();
                 throw new IllegalStateException(message);
             }
         }

src/main/java/electrosphere/engine/loadingthreads/InitialAssetLoading.java

@@ -21,35 +21,27 @@ import electrosphere.util.FileUtils;
  *  - Texture Atlas for terrain
  *  - Icons for items
  */
-public class InitialAssetLoading implements Runnable {
+public class InitialAssetLoading {
 
-    //tracks whether this thread is still doing work or not
+    /**
-    boolean loading = true;
+     * The queued atlas texture
+     */
+    static QueuedTexture atlasQueuedTexture = null;
     
     /**
      * Loads basic data
      */
-    public void LoadData(){
+    protected static void loadData(){
-
     
         loadTextureAtlas();
         LoggerInterface.loggerEngine.INFO("Finished loading texture atlas");
 
-        loading = false;
-    }
-
-    /**
- * Gets whether the thread is still loading or not
-     * @return true if loading, false otherwise
-     */
-    public boolean isLoading(){
-        return loading;
     }
 
     /**
      * Loads the texture atlas
      */
-    private void loadTextureAtlas(){
+    private static void loadTextureAtlas(){
         //terrain texture atlas
         Globals.profiler.beginCpuSample("createVoxelTextureAtlas");
         VoxelData data = Globals.gameConfigCurrent.getVoxelData();
@@ -78,7 +70,7 @@ public class InitialAssetLoading implements Runnable {
         Globals.profiler.endCpuSample();
         
         //queue to asset manager
-        QueuedTexture atlasQueuedTexture = new QueuedTexture(image);
+        atlasQueuedTexture = new QueuedTexture(image);
         Globals.assetManager.queuedAsset(atlasQueuedTexture);
 
 
@@ -97,9 +89,11 @@ public class InitialAssetLoading implements Runnable {
         Globals.voxelTextureAtlas.setNormal(atlasQueuedTexture.getTexture());
     }
 
-    @Override
+    /**
-    public void run(){
+     * Gets the queued texture
-        this.LoadData();
+     */
+    protected static QueuedTexture getQueuedTexture(){
+        return atlasQueuedTexture;
     }
 
 

src/main/java/electrosphere/engine/loadingthreads/LoadingThread.java

@@ -65,6 +65,11 @@ public class LoadingThread extends Thread {
          */
         LOAD_VIEWPORT,
 
+        /**
+         * Loads initial assets
+         */
+        INIT_ASSETS,
+
     }
     
     /**
@@ -153,6 +158,11 @@ public class LoadingThread extends Thread {
                 ViewportLoading.loadViewport(params);
             } break;
 
+            //Load the initial assets
+            case INIT_ASSETS: {
+                InitialAssetLoading.loadData();
+            } break;
+            
         }
     }
     

src/main/java/electrosphere/engine/profiler/Profiler.java

@@ -10,7 +10,8 @@ import org.lwjgl.util.remotery.Remotery;
 public class Profiler {
 
     //controls whether to profile or not
-    public static boolean PROFILE = true;
+    //!!WARNING!!: when this is turned on, testing can behave weirdly!! IE GET STUCK!
+    public static boolean PROFILE = false;
 
     //pointer to the global instance
     long pointer = -1;

src/main/java/electrosphere/engine/threads/ThreadManager.java

@@ -111,8 +111,7 @@ public class ThreadManager {
                     if(thread.getThread().isAlive()){
                         String errorMessage = "Failed to interrupt thread! " + thread.getLabel();
                         System.err.println(errorMessage);
-                        new IllegalStateException().printStackTrace();
+                        throw new IllegalStateException();
-                        System.exit(1);
                     }
                 } catch (InterruptedException e) {
                     CodeUtils.todo(e, "Think about how to handle this");

src/main/java/electrosphere/renderer/OpenGLState.java

@@ -21,44 +21,62 @@ public class OpenGLState {
     private static final boolean DISABLE_CACHING = false;
 
     //the max texture allowed by the current environment
-    int MAX_TEXTURE_WIDTH = 0;
+    int MAX_TEXTURE_WIDTH;
     
     //the current viewport dimensions
-    private Vector2i viewport = new Vector2i(0,0);
+    private Vector2i viewport;
 
     //whether depth test is enabled or not
-    boolean depthTest = false;
+    boolean depthTest;
 
     //the current depth function
-    int depthFunction = -1;
+    int depthFunction;
 
     //whether to blend or nit
-    boolean blendTest = false;
+    boolean blendTest;
 
     //the current blend func
     //map is (texture unit) -> [sfactor,dfactor]
-    Map<Integer,int[]> blendFuncMap = new HashMap<Integer,int[]>();
+    Map<Integer,int[]> blendFuncMap;
     //the key that contains the value of glBlendFunc (which would affect all buffers)
     static final int ALL_BUFFERS_KEY = -1;
 
     //the currently active texture
-    int activeTexture = 0;
+    int activeTexture;
 
     //the currently bound framebuffer
-    int framebufferType = 0;
+    int framebufferType;
-    int framebufferPointer = 0;
+    int framebufferPointer;
 
     //active shader
-    ShaderProgram activeShader = null;
+    ShaderProgram activeShader;
 
     //map of texture units and their corresponding texture pointers
-    Map<Integer,Integer> unitToPointerMap = new HashMap<Integer,Integer>();
+    Map<Integer,Integer> unitToPointerMap;
 
 
+    /**
+     * Initializes the opengl state
+     */
+    public void init(){
+        this.MAX_TEXTURE_WIDTH = 0;
+        this.viewport = new Vector2i(0,0);
+        this.depthTest = false;
+        this.depthFunction = -1;
+        this.blendTest = false;
+        this.blendFuncMap = new HashMap<Integer,int[]>();
+        activeTexture = 0;
+        framebufferType = 0;
+        framebufferPointer = 0;
+        activeShader = null;
+        unitToPointerMap = new HashMap<Integer,Integer>();
+        this.storeCurrentEnvironmentContraints();
+    }
+
     /**
      * Gets the constraints of the current environment (ie how large can the max texture be)
      */
-    public void storeCurrentEnvironmentContraints(){
+    private void storeCurrentEnvironmentContraints(){
 
         //the array used to store values fetched from opengl
         int[] intFetchArray = new int[1];
@@ -67,6 +85,9 @@ public class OpenGLState {
         GL40.glGetIntegerv(GL40.GL_MAX_TEXTURE_SIZE, intFetchArray);
         MAX_TEXTURE_WIDTH = intFetchArray[0];
 
+        //get current framebuffer data
+        GL40.glGetIntegerv(GL40.GL_DRAW_FRAMEBUFFER_BINDING, intFetchArray);
+        this.framebufferPointer = intFetchArray[0];
 
     }
 

src/main/java/electrosphere/renderer/RenderingEngine.java

@@ -283,7 +283,7 @@ public class RenderingEngine {
         }, bufferHeight);
 
         //get environment constraints
-        openGLState.storeCurrentEnvironmentContraints();
+        openGLState.init();
 
         //init imgui pipeline
         imGuiPipeline = new ImGuiPipeline(Globals.window, glslVersion);
@@ -683,7 +683,7 @@ public class RenderingEngine {
     public boolean checkError(){
         int error = this.getError();
         if(error != GL11.GL_NO_ERROR){
-            LoggerInterface.loggerRenderer.ERROR("checkError - " + getErrorInEnglish(error), new IllegalStateException("OpenGL Error"));
+            LoggerInterface.loggerRenderer.ERROR("checkError - " + getErrorInEnglish(error), new Exception("OpenGL Error"));
             return true;
         }
         return false;

src/main/java/electrosphere/renderer/framebuffer/FramebufferUtils.java

@@ -111,7 +111,6 @@ public class FramebufferUtils {
         buffer.attachTexture(openGLState,colorTexture);
         buffer.setDepthAttachment(openGLState,depthTexture);
         buffer.bind(openGLState);
-        Globals.renderingEngine.defaultFramebuffer.bind(openGLState);
         //check make sure compiled
         buffer.shouldBeComplete(openGLState);
         Globals.renderingEngine.defaultFramebuffer.bind(openGLState);

src/test/java/electrosphere/engine/StartupExtensionTests.java

@@ -0,0 +1,38 @@
+package electrosphere.engine;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import electrosphere.test.annotations.IntegrationTest;
+import electrosphere.test.template.extensions.EntityExtension;
+import electrosphere.test.template.extensions.StateCleanupCheckerExtension;
+
+/**
+ * Tests for startup extensions
+ */
+@ExtendWith(StateCleanupCheckerExtension.class)
+public class StartupExtensionTests {
+    
+    @IntegrationTest
+    public void test_EntityExtension_Startup(){
+        assertDoesNotThrow(() -> {
+            EntityExtension ext = new EntityExtension();
+            ext.beforeEach(null);
+            ext.afterEach(null);
+        });
+    }
+
+    @IntegrationTest
+    public void test_EntityExtension_RepeatStartup(){
+        assertDoesNotThrow(() -> {
+            EntityExtension ext = new EntityExtension();
+            int someNumberOfTests = 3;
+            for(int i = 0; i < someNumberOfTests; i++){
+                ext.beforeEach(null);
+                ext.afterEach(null);
+            }
+        });
+    }
+
+}

src/test/java/electrosphere/test/testutils/EngineInit.java

@@ -83,28 +83,6 @@ public class EngineInit {
         LoadingThread loadingThread = new LoadingThread(LoadingThreadType.LOAD_VIEWPORT);
         Globals.threadManager.start(loadingThread);
 
-        //
-        //wait for client to be fully init'd
-        int frames = 0;
-        while(Globals.threadManager.isLoading()){
-            TestEngineUtils.simulateFrames(1);
-            try {
-                TimeUnit.MILLISECONDS.sleep(1);
-            } catch (InterruptedException e) {
-                e.printStackTrace();
-            }
-            frames++;
-            if(frames > MAX_FRAMES_TO_WAIT){
-                String errorMessage = "Failed to setup connected test scene!\n" +
-                "Still running threads are:\n"
-                ;
-                for(LoadingThread thread : Globals.threadManager.getLoadingThreads()){
-                    errorMessage = errorMessage + thread.getType() + "\n";
-                }
-                Assertions.fail("Failed to startup");
-            }
-        }
-
         TestEngineUtils.flush();
     }
 

src/test/java/electrosphere/test/testutils/TestEngineUtils.java

@@ -2,10 +2,15 @@ package electrosphere.test.testutils;
 
 import static org.junit.jupiter.api.Assertions.*;
 
+import java.util.concurrent.TimeUnit;
+
+import org.junit.jupiter.api.Assertions;
+
 import java.util.function.Supplier;
 
 import electrosphere.engine.Globals;
 import electrosphere.engine.Main;
+import electrosphere.engine.loadingthreads.LoadingThread;
 import electrosphere.entity.Entity;
 
 /**
@@ -87,6 +92,28 @@ public class TestEngineUtils {
      * Flushes any signals that haven't been processed yet
      */
     public static void flush(){
+        //
+        //wait for client to be fully init'd
+        int frames = 0;
+        while(Globals.threadManager.isLoading()){
+            TestEngineUtils.simulateFrames(1);
+            try {
+                TimeUnit.MILLISECONDS.sleep(1);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            frames++;
+            if(frames > EngineInit.MAX_FRAMES_TO_WAIT){
+                String errorMessage = "Failed to setup connected test scene!\n" +
+                "Still running threads are:\n"
+                ;
+                for(LoadingThread thread : Globals.threadManager.getLoadingThreads()){
+                    errorMessage = errorMessage + thread.getType() + "\n";
+                }
+                Assertions.fail("Failed to startup");
+            }
+        }
+
         while(
             Globals.elementService.getSignalQueueCount() > 0
         ){